(II) Acrylic fibres closely resemble wool. Asked on December 26, 2019 by Bhavan Tanwar. Answer: The fibres obtained from plants and animals are called natural fibres. Answer to Which of the following gas is produced from modern landfill wastes? Man-made fibres – Nylon, rayon, polyester. ANSWER: (b) Photonic bandgap fiber. Which of the following foods provide the most fiber? a. radish b. peas c. neem d.wheat please don't scam or I will report! Answer: Nylon and polyester are synthetic fibre. Artificial fibres c. Rayon fibre d. Nylon fibre 6. Top Answer. Question 4. The following is an answer given by Boojho to a question asked by his teacher— “Cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic fibres.” 5. c) plants. Name some artificial fibres. See Answer. Wiki User Answered . Natural fibers can also be matted into sheets to make paper or felt.. … Seed fibres – the fibres obtained from the seeds of different types of plants. 7. Synthetic Fibres and Plastics Class 8 Science Chapter 3 as per NCERT Book used in CBSE and other Schools. From where wool is obtained? Energy that is trapped in the form of organic matter is called. Identify the plastic from the given options. Answer Silk is a natural protein fiber , some forms of which can be woven into textiles . Here, one can take practice test with more than 120+ questions of … (i) The fabric terry wool is obtained by mixing terylene and wool. NCERT Extra Questions for Class 9 Science Chapter 6 Tissues with Answers will help to score more marks in your CBSE Board Exams. Vegetables and fruits are beneficial for good health because they contain A. single sugar units that don't require the breakdown of glucose. processing of wood pulp or cellulose. Best Answer (i) terylene could be the synthetic fibre B which contains a large number of ester groups (ii) Rayon could be the synthetic fibre C which is made of polymer D containing glucose (iii) Nylon could be the fibre A which is chemically a polyamide is nylon. Cotton fibre is almost pure cellulose that grows in a protective capsule around the seeds of cotton plants. b) fossil fuels. Log in Ask Question. In this page, we are providing Tissues Class 9 Extra Questions and Answers Science Chapter 6 pdf download. Which of the following is an inorganic natural resource? Answer to 35. Fibres are then separated from the seeds by combing. a. wool b. silk c. cotton 0 cl. Question 15: The following is an answer given by Boojho to a question asked by his teacher–“cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic … C. saturated fats. These are called a. 0 0 1 ... (from flax) is the strongest natural plant fiber. Nature abounds in fibrous materials, such as cotton, wood, and straw, but only a small number can be used for textiles. A. Teflon. Meat, poultry, and fish B. Answer: Protein Question 3. Prepare for school test and terminal exams through the following 25 Multiple Choice Questions test with answers and explanation. Chapter 3 - Fibre to Fabric. Answer: Processing of Fibres into Wool. Which of the following is not considered a natural fiber? Answer: Cotton Question 2. Cotton is usually picked by hand. (I) Most synthetic fibres are obtained from coal, petroleum and natural gas. a. biogas b. inert gas c. natural gas? Answer… Fibres that are obtained from plants or animals are called natural fibres.Examples are cotton, jute, wool, and silk.Fibres that are made by man from chemical substances are called synthetic fibres.Examples are nylon, rayon, … D. Polyester. Which of the following pair is / are matched? A pregame meal should include foods that are A. high-fiber … Learn vocabulary, terms, and more with flashcards, games, and other study tools. Milk, cheese, and dairy products C. Fats, fatty acids, and … Class 6 Science Chapter 3 MCQ are given below covering the entire chapter and updated for new academic session 2020-21. Answer: Jute is the cheapest natural fibre and is known as the golden fibre. (c) True (d) True. Natural fibers or natural fibres (see spelling differences) are fibers that are produced by plants, animals, and geological processes. (iii) It is risky to wear synthetic clothes while working in the kitchen. Question 3. Processing of fibres into wool involves the following steps: Step I Plz answer fast 1.which one is natural fibre from the following fibres? Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute. (IV) Polyester is prepared from cellulose. Question from Polymers,jeemain,aipmt,chemistry,cbse,unit5,class12,organic-chemistry,polymers,q19,easy Biology Multiple Choice Questions and Answers for Different Competitive Exams. 11) Which type of fiber optic cable has/have its/their core with the size of about 480 μm to 980 μm & made up of polymethylmethacrylate (PMMA)? The wool which is used for knitting sweaters or for weaving shawls is the finished product of a long process. Natural fibres b. Plastic fiber optic cable c. Plastic clad silica fiber optic cable d. All of the above. A. Answer: (b) cotton Natural fibres are greatly elongated hair-like substances obtained from plants or animals. Long Answer Questions. Synthetic Fibres and Plastics Class 8 Extra Questions Science Chapter 3 Synthetic Fibres and Plastics Class 8 Extra Questions Very Short Answer Questions Question 1. Linen was known as the strongest natural for a long time. Name a natural fibre. d) animals. It is the first fully synthetic fibre. This process is called _____ of cotton. Add your answer and earn points. 1) Natural fibre - Cotton 2) Natural rubber - Thiokol 3) Synthetic fibre - Nylon 4) Synthetic detergent - Soap a. 10. Answer: 1 True, 2 False, 3 False, 4 True, 5 True, 6 False, 7 False. ... NATURAL FIBRE : Fibres obtain from natural sources. a) water. (Ill) Most synthetic fibres have very high moisture absorbing capacity. After selecting the correct or incorrect answers, you can see the right answers with reason … Answer the following questions. Natural fibres are broadly classified into two categories – Plant fibres and animal fibres. It resembles the texture and look of natural silk and can be woven like silk fibres. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. Plant Fibres. C. PET. 6. NCERT Solution for Class 6 Science. 2010-08-10 09:40:11. What is known as golden fibre? For example, cotton from cotton bolls, jute from jute plant, silk from cocoon of silkworm and wool from hair of animals like sheep or goat. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. They can be used as a component of composite materials, where the orientation of fibers impacts the properties. The following is an answer given by Boojho to a question asked by his teacher— “Cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic fibres. Polyester is a natural fiber. Natural fiber, hairlike material directly obtained from an animal, vegetable, or mineral source and convertible into nonwoven fabrics such as felt or paper or, after spinning into yarns, woven cloth. ANSWER: (b) Plastic fiber … 1. Silk is a animal fibre which is obtained from silkworm. Fibre to Fabric NCERT – Question: Write various steps for processing fibres into wool. Fibres used to make fabric may be natural or synthetic. Leaf fibres – the natural fibres that can be collected … Answers is the place to go to get the answers you need and to ask the questions you want. Answer: Wool is obtained from the fleece of sheep or goat. (ii) Synthetic fibres do not melt on heating. Question 2. Glass fiber optic cable b. Answer to Which of the following is not a natural fibre (a) Silk (b) Jute (c) Coir (d) Rayon Name the basic component of animal fibres. Class 8 Science Chapter 3 MCQ (Multiple Choice Questions) of Synthetic Fibres and Plastic. B. Melamine. Examples for both plant fibres and animal fibres have been provided in this subsection. Different types of synthetic fibres like, Rayon fibres, Nylon fibres, Polyester fibres and Acrylic fibres … chemistry. a. smoke b. glass c. fog d. stone 2. which of the following has fibrous root? rayon D. natural, not processed foods, and little added starch. (b) False, Jute is obtained from the stem of a jute plant. Answer: Natural fibres – Cotton, jute, wool, silk. A full revision with question-answer and explanation in the form of MCQs based on latest CBSE Syllabus for new academic session 2020-2021. Also, write false statements in their correct form. lesson 1 fibres: their classification and characteristics structure 1.0 objectives 1.1 introduction 1.2 classification of fibres 1.3 natural fibres 1.4 polymeric natural fibres 1.5 man-made fibres 1.6 natural fibres vs.man-made fibres 1.7 assignments 1.7.1 class assignments 1.7.2 home assignments 1.8 summing up 1.9 possible answers … Classify the following fibres as natural or synthetic: Nylon, Wool, Cotton, Silk, Polyester and Jute. Different Types Of Natural Fibres And Their Uses. They can be spun into filaments, threads or ropes. 25. 4. Hence, it is also called artificial silk. Indicate whether the following statements are True or False. Answer the following question in short - 32856411 arshiansari26 arshiansari26 1 hour ago Science Secondary School Answer the following question in short 1. what are natural fibre 2 See answers arshiansari26 is waiting for your help. Click hereto get an answer to your question ️ Which of the following property is similar for both natural and synthetic fibre? Firefighters' uniform is coated with a plastic that is fire resistant. B. important vitamins, minerals, and dietary fiber. The fibres of some fabrics such as cotton, jute, silk and wool are obtained from plants and animals. It was prepared from coal, … a. Start studying Chapter 10: Ropes and Knots. Introduction to fibres, kinds of fibres, Write False statements in their correct form... natural:. Artificial fibres c. 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